From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Manuel Giraud via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#63842: 30.0.50; Slow 'gnus-summary-refer-thread' Date: Fri, 16 Jun 2023 12:36:48 +0200 Message-ID: <87352rr8vz.fsf@ledu-giraud.fr> References: <871qiu6m1f.fsf@ledu-giraud.fr> <87bkhxl9th.fsf@ust.hk> <87ilc44r3u.fsf@ledu-giraud.fr> <831qiduv5f.fsf@gnu.org> Reply-To: Manuel Giraud Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="=-=-=" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="10361"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: cohen@bu.edu, 63842@debbugs.gnu.org, cohen@andy.bu.edu To: Eli Zaretskii Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Fri Jun 16 12:37:17 2023 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1qA6pQ-0002Lk-FP for geb-bug-gnu-emacs@m.gmane-mx.org; Fri, 16 Jun 2023 12:37:16 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1qA6pD-0002LV-GR; Fri, 16 Jun 2023 06:37:03 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1qA6pC-0002Jl-6Q for bug-gnu-emacs@gnu.org; Fri, 16 Jun 2023 06:37:02 -0400 Original-Received: from debbugs.gnu.org ([209.51.188.43]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1qA6pB-0008Ol-Uy for bug-gnu-emacs@gnu.org; Fri, 16 Jun 2023 06:37:01 -0400 Original-Received: from Debian-debbugs by debbugs.gnu.org with local (Exim 4.84_2) (envelope-from ) id 1qA6pB-0002CP-Pi for bug-gnu-emacs@gnu.org; Fri, 16 Jun 2023 06:37:01 -0400 X-Loop: help-debbugs@gnu.org Resent-From: Manuel Giraud Original-Sender: "Debbugs-submit" Resent-CC: bug-gnu-emacs@gnu.org Resent-Date: Fri, 16 Jun 2023 10:37:01 +0000 Resent-Message-ID: Resent-Sender: help-debbugs@gnu.org X-GNU-PR-Message: followup 63842 X-GNU-PR-Package: emacs Original-Received: via spool by 63842-submit@debbugs.gnu.org id=B63842.16869118148435 (code B ref 63842); Fri, 16 Jun 2023 10:37:01 +0000 Original-Received: (at 63842) by debbugs.gnu.org; 16 Jun 2023 10:36:54 +0000 Original-Received: from localhost ([127.0.0.1]:48667 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qA6p4-0002Bx-38 for submit@debbugs.gnu.org; Fri, 16 Jun 2023 06:36:54 -0400 Original-Received: from ledu-giraud.fr ([51.159.28.247]:42364) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from ) id 1qA6p2-0002Bp-8m for 63842@debbugs.gnu.org; Fri, 16 Jun 2023 06:36:53 -0400 DKIM-Signature: v=1; a=ed25519-sha256; c=simple/simple; s=ed25519; bh=js3+NvKi pEVb8Yp7CKJXhl3p/rR1tghjvHEQiFkQL6E=; h=date:references:in-reply-to: subject:cc:to:from; d=ledu-giraud.fr; b=6nxme/1dw2bgvmIIY99O9suDjVhACE 7GDCkomIEinQ5fWtMbiwv/9p2TXJ818nbldjQ4nnmapQKwcov3hBStAQ== DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; s=rsa; bh=js3+NvKipEVb8Yp7 CKJXhl3p/rR1tghjvHEQiFkQL6E=; h=date:references:in-reply-to:subject: cc:to:from; d=ledu-giraud.fr; b=gS5pOBLW96+I4Xa1tBhhUhEY+5LdAJ2QqJPViU eD0as/4gYkQb4PWH8Xm/VbQS7ECpXtVvCBu0WH6P49xcu5GKZUBHDc3xyEcp+JM0cqbILA kipuNdivNJZBdzCDEnIMabDzj/H5eDIMztYPBJYNUZZI42HvOqQT+hS2IeoHFnRybszg99 1hIzcp74vY6YErqSznoQMQMQT6T6NvFHTD8KBdS3FIlFTqEoCsEUB4MOuE4Lg6ofyxbxx6 olGLMTRZ19t9qMchcFp9YIOZcYiNF+iPbq4Z+uku65kwiuf+I9f9kaIny6D36UjeEHFxMx wacrhcp3aQfsRz7Uri1+qJoA== Original-Received: from computer ( [10.1.1.1]) by ledu-giraud.fr (OpenSMTPD) with ESMTPSA id 8d732998 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Fri, 16 Jun 2023 12:36:50 +0200 (CEST) In-Reply-To: <831qiduv5f.fsf@gnu.org> (Eli Zaretskii's message of "Thu, 15 Jun 2023 08:55:24 +0300") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Original-Sender: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.bugs:263468 Archived-At: --=-=-= Content-Type: text/plain Hi, So here is the crux of this issue. When using 'gnus-summary-refer-thread' in a nnml group, Emacs ends up calling 'gnus-get-newsgroup-headers-xover' (via 'gnus-fetch-headers'). AFAIU in this function when 'gnus-read-all-available-headers' is t, Emacs will parse *all* of the " *nntp*" buffer content. In my case, this buffer is quite big (about 50k lines and 23MiB) hence the slowness. BTW, I also have examples where 'gnus-summary-refer-thread' gives me some false positives (eg., not the same thread but part of the subject matching) I don't know how to proceed except from unsetting 'gnus-read-all-available-headers' for nnml backends (see attached patch). -- Manuel Giraud --=-=-= Content-Type: text/x-patch Content-Disposition: attachment; filename=0001-Do-not-read-all-headers-for-nnml-groups.patch >From 170cc2f96ebc606c25d85e345f9f9196fe6a7f33 Mon Sep 17 00:00:00 2001 From: Manuel Giraud Date: Fri, 16 Jun 2023 12:20:32 +0200 Subject: [PATCH] Do not read all headers for nnml groups --- lisp/gnus/gnus-sum.el | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lisp/gnus/gnus-sum.el b/lisp/gnus/gnus-sum.el index 4effaa981ec..14da8735e88 100644 --- a/lisp/gnus/gnus-sum.el +++ b/lisp/gnus/gnus-sum.el @@ -9029,7 +9029,8 @@ gnus-summary-refer-thread (id (mail-header-id header)) (gnus-inhibit-demon t) (gnus-summary-ignore-duplicates t) - (gnus-read-all-available-headers t) + (gnus-read-all-available-headers + (not (eq (car (gnus-find-method-for-group group)) 'nnml))) (gnus-refer-thread-use-search (if (or (null limit) (numberp limit)) gnus-refer-thread-use-search -- 2.40.0 --=-=-=--